Mainz pointed head chirp
| Mainz pointed head chirp | ||||||||||||
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Jassargus cf. obtusivalvis |
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| Scientific name | ||||||||||||
| Jassargus obtusivalvis | ||||||||||||
| ( Kirschbaum , 1868) |
The Mainz pointed head chirp ( Jassargus obtusivalvis ) is a dwarf cicada from the subfamily of the chirps (Deltocephalinae).
features
The cicadas are 2.7-3.2 mm long. They have a light brown marbled spot pattern and are similar to other species of the same genus. A reliable differentiation from these can usually only be carried out on the basis of a microscopic examination of the male genitals.
Occurrence
The species is native to the western Palearctic . Its main area of distribution is in southern Central Europe. Their occurrence ranges from southern Russia in the east to the south of France and the north of the Iberian Peninsula . The warmth-loving species prefers sunny, dry locations, especially vineyards, as habitat.
Way of life
The Mainz pointed head chirp can be found on various sweet grasses (Poaceae), on which they feed on an oligophagous diet. As food plants that are upright brome ( Bromus erectus ) and the koeleria Koeleria pyramidata and Koeleria macrantha called. The adults are usually observed between the beginning of May and the end of October. The species usually trains two generations per year. It hibernates as an egg.
Taxonomy
The following synonyms can be found in the literature :
- Deltocephalus picturatus fever , 1869
Harmful effect
The cicadas are carriers of the Phytoplasma species Candidatus Phytoplasma asteris , which is responsible for the yellowing of asters .
Individual evidence
- ↑ a b c d e Niedringhaus R., Biedermann R., Nickel H .: Distribution of the cicadas of the Grand Duchy of Luxembourg - Atlas ribbon . Ferrantia 61, Musée national d'histoire naturelle, Luxembourg. October 6, 2010.
- ↑ a b c d e Ralf Rombach: First record of the cicada Jassargus obtusivalvis (Kirschbaum, 1869) (Homoptera, Auchenorrhyncha, Cicadellidae) for North Rhine-Westphalia (North Eifel, Euskirchen district) . Decheniana (Bonn) 148, 118-119 (1995). July 15, 1994. Retrieved December 8, 2018.
- ↑ a b c Jassargus (Obtujargus) obtusivalvis in Fauna Europaea. Retrieved December 8, 2018
- ↑ a b c Herbert Nickel, Reinhard Remane: Check list of the planthoppers and leafhoppers of Germany, with notes on food plants, diet width, life cycles, geographic range and conservation status (Hemiptera, Fulgoromorpha and Cicadomorpha) . www.academia.edu. 2002. Retrieved December 8, 2018.
- ↑ Hana ORSÁGOVÁ, Milena BŘEZÍKOVÁ, Gabriela SCHLESINGEROV: Presence of phytoplasmas in hemipterans in Czech vineyards (PDF, 410 KB) Bulletin of Insectology 64 (Supplement): S119-S120, 2011, ISSN 1721-8861.
